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FDA updates Tecfidera label with info on patient's death from PML

Biogen Idec ($BIIB) reported last month that a patient taking its hot multiple sclerosis pill Tecfidera had developed a rare brain infection and died. Now, the FDA has decided the death was important enough to mention on Tecfidera labels. The patient wasn't taking any other drugs associated with progressive multifocal leukoencephalopathy (PML) or any other meds that affect the immune system, the agency said. Report